package cn.zhou.controller;

import cn.zhou.entity.CommonResult;
import cn.zhou.entity.Payment;
import cn.zhou.service.PaymentService;

import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.web.bind.annotation.*;

import javax.annotation.Resource;
import java.util.List;
import java.util.concurrent.TimeUnit;

/**
 * (Payment)表控制层
 *  测试post http://localhost:8081/swagger-ui.html
 * @author makejava
 * @since 2020-07-19 17:12:00
 */
@RestController
@Slf4j
public class PaymentController {
    @Resource
    private PaymentService paymentService;
    @Value("${server.port}")
    private String serverPort;
    @Resource  //发现自己的服务信息   org.springframework.cloud.client.discovery.DiscoveryClient;
    protected DiscoveryClient discoveryClient;


    @PostMapping("/payment/create")
    public CommonResult create(@RequestBody Payment payment){
        int i = paymentService.create(payment);
        log.info("*********插入结果*********{}",i);

        if (i>0){
            return new CommonResult(200,"插入数据库成功,serverPort:"+serverPort,i);
        }else {
            return new CommonResult(404,"插入数据库失败",null);
        }
    }

    @GetMapping("/payment/get/{id}")
    public CommonResult getPaymentById(@PathVariable("id") Long id){
        Payment i = paymentService.getPaymentById(id);
        log.info("*********查询结果*********{}",i);

        if (null!=i){
            return new CommonResult(200,"查询成功,serverPort:"+serverPort,i);
        }else {
            return new CommonResult(404,"没有对应记录,查询id:"+id,null);
        }
    }

    //服务发现Discovery
    @GetMapping(value = "/payment/discovery")
    public Object discovery(){
        //得到服务清单列表
        List<String> services = discoveryClient.getServices();
        for (String service : services) {
            log.info("*********service: "+ service);
        }

        //根据微服务的具体服务名称：得到微服务实例
        List<ServiceInstance> instances = discoveryClient.getInstances("cloud-payment-service");
        for (ServiceInstance instance : instances) {
            log.info(instance.getServiceId()+"\t"+instance.getHost()+"\t"+instance.getPort()+"\t"+instance.getUri());
        }

        return this.discoveryClient;
    }

    @GetMapping(value = "/payment/lb")
    public String getPaymentLB(){
        return serverPort;
    }

    //服务提供方8001故意写暂停程序
    @GetMapping(value = "/payment/feign/timeout")
    public String paymentFeignTimeout(){

        //暂停几秒钟线程
        try {
            TimeUnit.SECONDS.sleep(3);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }

        return serverPort;
    }

}